27 July 2026
: Case report 
Transient Cardiac Dysfunction Due to New-Onset Mitral Chordal Rupture With Concomitant Congenital Absence of the Right Coronary Artery: A Case Report
Challenging differential diagnosis, Unusual setting of medical care, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Songyan Zhang E 1, Ying Cui F 1, Shucheng Li A 1*DOI: 10.12659/AJCR.952798
Am J Case Rep 2026; 27:e952798
Figure 3 Transthoracic echocardiography. Echocardiographic findings at the second admission demonstrated rupture of a small chord of the anterior mitral leaflet with poor leaflet coaptation, resulting in mild-to-moderate mitral regurgitation. Doppler analysis showed impaired left ventricular relaxation and elevated filling pressures.